Fuel tank



FIG. 1 is a back, top, and side perspective view of a fourth embodiment of a fuel tank including a removable cap screwed on to the fuel tank, showing our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite e being mirror image;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front, top, and side perspective view of the fourth embodiment of the invention, showing the removable cap unscrewed from the fuel tank.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a fuel tank, as shown and described. 